Comprehensive 2d slip surface searching and porewater pressure conditions and innovative 3d spatial analysis allow modeling at new levels. Users can perform classic limit equilibrium slope analysis of soil or rock slopes by the method of slices or newer stressbased methods. Geo searches all possible failure modes restricted only by the density of nodes and is therefore not restricted to a circular failure mode. Conventional methods of slope stability analysis can be divided into three groups. In the lecture part of this course we will discuss a variety of methods of analysis of slope stability and instability. Slope stability analysis while accounting for earthquake is described in the theoretical part of the hint in chapter influence of earthquake. The prokon geotechnical analysis suite comprises a number of modules for analysis stability and determining capacity. Stedwin itself performs no stability analysis but allows the user to concentrate on the engineering aspects of slope stability analysis while it takes care of writing the data files in the format expected by the slope stability analysis program. Software for slope stability analysis slope stability. The software performs limit equilibrium slope stability. The program was developed for the microsoft windows operating system and. Mdt geotechnical manual geotechnical engineering design. The user s guide may not be reproduced or copied in any form or by any.
Is there any free software available for slope stability analysis. Galena is a powerful, comprehensive and easytouse slope stability analysis system developed by geotechnical engineers for geotechnical, mining and civil engineers who want to solve geotechnical problems quickly and easily. Slope stability analysis slopew is the leading slope stability software for soil and rock slopes. Slide3 is a powerful, user friendly, 3d limit equilibrium slope stability analysis program for all types of soil and. This type of analysis is also utilized to determine. The software can be used with the vj tech ring shear. Slope stability analysis of soil slopes using the nonvertical slice method proposed by sarma noncircular slip. Global stability with relict slip surface in this scenario, the presence of the relict slip surface was assumed. Xstabl provides an integrated environment for performing slope stability analyses on an ibm personal computer, or compatible. A previously stable slope may be initially affected by preparatory factors, making the slope conditionally unstable. Graduate theses and dissertations iowa state university capstones, theses and dissertations 2017 comparison of design analysis methods for pile reinforced slopes. Probabilistic slope stability analysis by finite elements. Application note slope stability analysis worked example.
Slide 2d limit equilibrium slope stability analysis software. Pdf slope stability analysis using the unsaturated stress. It is essential that the engineering geologist be intimately familiar with all of these methods because they provide ways of. Leame limit equilibrium analysis of multilayered earthworks is the most recent version of software, previously known as reame rotational. User s manual pdf stabl is a computer program written for the general solution of slope stability problems using a twodimensional limiting equilibrium method. Ggsd program details for gstabl7 with stedwina software directory of programs for geotechnical, geoenvironmental and environmental. In slope stability computations, some of these sources are encountered, such as geological details missed in the exploration program, estimation of soil properties that are difficult to quantify and many other relevant. Seepage analysis is fully integrated with the slope stability analysis or can be used as a standalone. Slope w slide 5 gstabl7 which is the best program for slopestability.
Leame limit equilibrium analysis of multilayered earthworks is the most recent version of software, previously known as reame rotational equilibrium analysis in multilayered embankments. Flows, pressures and gradients are calculated based on user defined hydraulic boundary conditions. The name geostase is an acronym for general equilibrium options for stability analysis of slopes and embankments. Lisa and xstabl have become standard analysis tools for resource planning level and sitespecific slope stability assessments, respectively, on national forests in the westem united states.
Table 4 summary of slope stability analyses results cross section across phase iii. Lisa and xstabl have become standard analysis tools for resource planning level and sitespecific slope stability assessments, respectively, on national forests in. As a spanish and portuguese speaker, it is somehow easy to understand the italian documentation. Slope stability analysis geotechnical design manual m 4603 chapter 74 december 2006 slope stability analysis detailed assessment of the groundwater regime within and beneath the slope is also critical. Deterministic and probabilistic analyses are possible. Slope w has application in the analysis and design for geotechnical, civil, and mining engineering projects. As more and more national and provincial authorities demand for these maps to be computed and implemented in spatial planning strategies, several aspects of the quality of the landslide susceptibility model and the resulting classified map are of high interest.
Appendix a settlement and slope stability analyses wheelabrator. Engineering manuals explain how a particular engineering problem can be solved in our software. Case study article pdf available in procedia engineering 143. The remaining software are available from other states agencies or fhwa. Slope w slide 5 gstabl7 which is the best program for slopestability ntschwanz geotechnical 20 apr 10.
Gstabl7 with stedwin slope stability analysis sytem for windows. Including or deliberately ignoring negative porewater pressures can be critical to understanding and interpreting a slope stability. Seepw generated porewater pressures in slope w stability analysis 1 introduction the objective of this illustration is to observe how to use finite element porewater pressure results in a stability analysis. Slide is the only slope stability software with builtin finite element groundwater seepage analysis for steady state or transient conditions. Slope stability analysis using the unsaturated stress analysis.
Most slope stability analysis computer programs are based on the limit equilibrium concept for a twoor threedimensional model. The examples should therefore not be used as a basis for practical projects. A computer program for slope stability calculations educational version of the utexas4 and texgraf4 software. Andrea regli prepared this brief introduction to groundwater analysis with slide software fea. Slope stability analysis is a geotechnical engineering problem characterized by many sources of uncertainty.
As more and more national and provincial authorities demand for these maps to be computed and implemented in spatial planning strategies, several aspects of the quality of. Stedwin itself performs no stability analysis but allows the user to concentrate on the engineering aspects of slope stability analysis while it takes care of writing the data files in the format expected by the slope stability analysis. Gstabl7 with stedwin is a powerful, comprehensive slope stability analysis system. Would like it to be user friendly and possibly have some initial tech support as i am learning to use it. The method satisfies vertical force equilibrium for each slice. Slope provides an easy and accurate way to study a slip surface to find factors of safety against failure, and to check the improvements from reinforcement. Slope stability verification manual deep excavation llc page 18. With a probabilistic analysis you can take into account variations in material. Analyzing slope stability by the limit equilibrium method provides a pcbased software program for performing slope stability analyses, along with supporting documentation. This software carries out the analysis of soil or rock slope stability both in static and seismic states utilizing the limit equilibrium methods of fellenius, bishop, janbu, bell, sarma, spencer. Gstabl7 with stedwin software download by fekenanbio issuu. Methods for analysis of slope stability are described and are illustrated by examples in the appendixes. Add tags for user information manual for slope stability analysis program sstab2 a modified version of sstab1 by stephen g.
Slope w slide 5 gstabl7which is the best program for. Stability is determined by the balance of shear stress and shear strength. A computer program for slope stability calculations educational version of the utexas4 and texgraf4 software important notice. Gstabl7 and stedwin each maintain unique version numbers to track updates and improvements in the individual programs, but the package gstabl7 with stedwin has a. Stability analysis lisa, stability analysis for road access sara, the level i1 program, and xstabl the level 111 program. Gregeo has a full complement of the latest geotechnical engineering software including software for performing slope stability analysis, finiteelement soilstructure interaction and seepage analysis, generation of computer soil boring logs and test reports, settlement analysis, stress analysis in soil masses, finiteelement soilpipe. Slope w is a 32bit, graphical software product that operates under microsoft windows. Geostase is a 2d limit equilibrium slope stability analysis software.
The system consists of a computer program package stedwin 2. Probabilistic slope stability analysis by finite elements d. This engineer manual em provides guidance for analyzing the static stability of slopes of earth and rockfill dams, slopes of other types of embankments, excavated slopes, and natural slopes in soil and soft rock. Slope stability is the potential of soil covered slopes to withstand and undergo movement. It performs twodimensional slope stability analysis using the method of slices and presents the results in a clear. Is there any free software available for slope stability.
Of the software which is currently available from rocscience, half of all programs are either specifically dedicated to slope stability analysis ie. Stedwin allows onscreen data entry and modification similar to a spreadsheet. Slope stability is a major concern for geotechnical and mining engineers worldwide, and consequently, a great deal of effort at rocscience is dedicated to slope stability analysis software. This program is used to perform slope stability analysis embankments, earth cuts, anchored retaining structures, mse walls, etc. The slip surface is considered as circular bishop, felleniuspetterson, janbu, morgensternprice or spencer methods or polygonal sarma, janbu, morgensternprice or. Many of these software are only available from a single commercial source. The term slope means a portion of the natural slope whose original profile has been modified by artificial interventions relevant with respect to stability. It is essential that the engineering geologist be intimately familiar with all of these methods because they provide ways of determining, relatively unambiguously, whether a. The slope stability analysis was performed using the simplified bishop method of slices to discretize the soil mass to establish the minimum factor of safety of the slope. Chapter 10 slope stability analysis nysdot geotechnical page 104 january 21, 2014 design manual 10. Hydrus addon module for stability checks of embankments, dams, earth cuts and anchored sheeting structures. Pile driving analysis two major programs developed in the late 1960s and early 1970s tti program developed at university of texas at austin wave equation analysis of piling weap developed by george goble and frank rausche both programs were distributed by fhwa beginning mid1970s. Application note slope stability analysis worked example 4.
Is there any more sophisticated program available for slope stability analysis of slope. The term landslide refers to a situation of instability affecting natural slopes and involving large volumes of soil. The vj tech clisp studio ringhear software module enables the user to perform tests to determine the residual shear strength of cohesive soils, which is particularly important when assessing slope stability. With the exception of the pile bearing capacity module, all modules can perform deterministic analyses as well as a probabilistic analyses. Additional discussions of lateral pile analysis and design are included in. Slopew can effectively analyze both simple and complex problems for a variety of slip surface shapes, porewater pressure conditions, soil properties, and loading conditions. Calculate the factor of safety for embankment slopes, including piles, tiebacks, soil nails and reinforced soil masses. Dec 16, 2016 slope stability by geo slope software please like and subscribe for an nguyens channel to watch the new videos.
User guides download manuals with theory and practical explanations of the program use. To find out more about the cookies we use and how to delete them visit our cookies page. Tableofcontentscontinued runningpcstabl5m 86 plottingroutineforpcstabl5m 87 runningplotstbl 88 references 90 appendixa 92 exampleproblemdescriptionofproblem 93alcreatingandrunningtheprogram 97a5 useofcirculartypegenerator 97a5 useofrandomtypegenerator 117a25 blocktypegenerator 121a29 comparisonsofresultsconclusions 125a33 appendixb 127. Geostase is a 2d limit equilibrium slope stability analysis software program developed by dr. Examine slope stability via a number of different analysis methods. October2015 stablpro for windows program stabl is a computer program written for the general solution of slope stability problems analysis. Slope stability verification manual deep excavation llc page 4 b. You would expect more from users of a website like this. For infinite slopes that have seepage at the slope face, the factor of safety for slope stability is determined as follows. Stedwin itself performs no stability analysis but allows the user to concentrate on the engineering aspects of slope. There is no need to specify entryexit points or search zones. Coordinate system and units coordinates for the slope geometry.
When it comes down to which one is the best software package, i found that slide was just ahead and not by much. The system consists of a computer program package containing the combination of gstabl7 and stedwin. They are certainly major factors in cut slope stability and in the stability of fill slopes involving both internal and external slope. Landslide susceptibility maps are helpful tools to identify areas potentially prone to future landslide occurrence. The user interface and analysis options are almost identical to the generalised slope analys is module except for the ability to define a slip surface of any general shape. The next six chapters of the reference manual provides details. This report is a user manual for a computer program named stabl, developed to. The tutorial examples deal with a simple slope stability analyses, but this tutorial manual is intended to familiarise the user with slope. Slope stability analysis slope stability analysis stabilizing a slope using antislide piles stabilizing a slope using antislide piles inputting geometry by importing data from a dxf file inputting geometry by importing data from a dxf file using standards and analysis settings using standards and analysis settings importing data in txt format.
Detailed pieziometric data at multiple locations and depths within and below the slope will likely be needed. This was applied in the model by selecting all the boundary lines between the mudstone and weathered mudstone unshow the water table, to facilitate. Federal highway administration, central federal lands highway. The software described in this manual is furnished under a license agreement. This software and all associated electronic media and documentation are provided for use by the faculty and students of the licensed university or educational institution for educational purposes only. Comparison of designanalysis methods for pile reinforced. Ggsd program details for gstabl7 with stedwina software directory of programs for geotechnical, geoenvironmental and environmental engineering. User information manual for slope stability analysis. The user s guide may be reproduced or copied in whole or in part by the software licensee for use with running the software. Ge, principal consultant with gregory geotechnical gregeo. Evaluate all slopes, whether a cut or a fill and whether in soil or in rock, for global stability for both shortterm undrained and longterm drained conditions. I need software to calculate the factor of safety and carry out a kinematic analysis for different landslide types. I am shopping for software that will perform basic slope stability analysis. The moment is then calculated about the center of the trial surface.
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